This License applies to any manual or other work, in any medium, that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License. If active on , the driver will remove the newline character at the end of the command message. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. This attribute instructs the driver to remove the newline character at the end of the instrument command message. Both covers must also clearly and legibly identify you as the publisher of these copies.

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Such new versions will be similar in spirit to the present version, but may differ ysbtmc detail to address new problems or concerns. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. You accept the license if you copy, modify or distribute the work in a way requiring permission under copyright law.

Such special operations can be invoked from C via the ksbtmc 2 system call.

The control endpoint is required by the USB 2. The Interrupt-IN endpoint is used by the device to send notifications to the Host.

State on the Title page the name of the publisher usbhmc the Modified Version, as the publisher. Do not retitle any existing section to be Entitled “Endorsements” or to conflict in title with usbtc Invariant Section. The following code demonstrates how you can find out which devices are attached. If the Document does not specify a version subtmc of this License, you may choose any version ever published not as a draft by the Free Software Foundation. This can be done by setting a driver attribute through a call to the driver’s ioctl entry point:.

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We recommend this License principally for works whose purpose is instruction or reference. This will extract a number of files in the directory, including the driver source files and a makefile.

Replacing Invariant Sections with translations requires special permission from their copyright holders, but you may include translations of some or all Invariant Sections in addition to the original versions of these Invariant Sections.

Translation is considered a kind of modification, so you may distribute translations of subtmc Document under the terms of section 4. This class was introduced in order to support USB interface of test and measurement devices. The Document may include Warranty Disclaimers next to the notice which states that this License applies to the Document.

Universal Serial Bus Test and Measurement Class (USBTMC) – T&M Atlantic

This structure is filled usbtcm ioctl. Any other attempt to copy, modify, sublicense or distribute the Document is void, and will automatically terminate your rights under this License. You may add other material on the covers in addition.

This is comparable to a GPIB device clear. In this case, the third parameter to ioctl 2 is not used. Usbmc standard defines protocols that are used to send instrument command messages to an instrument and read back response messages. These titles must be distinct from any other section titles.


Sets a driver attribute. Driver attributes are used to modify the behavior of the driver e. If a section does not fit the above uzbtmc of Secondary then it is not allowed to be designated as Invariant. If you are using C or another language that can call ioctl 2 directly, do that. Note that this call will return -1 if the minor number given is not in use.

This is a read-only attribute that returns the maximum number of USB instruments the driver can service at the same time. Run it as follows:.

Universal Serial Bus Test and Measurement Class (USBTMC)

The “Title Page” means, for a printed book, the title page itself, plus such following pages as are needed to hold, legibly, the material this License requires to appear in the title page.

This structure needs to be filled with the attribute code and ksbtmc desired value before calling ioctl 2. It usually requires creating a kernel driver that controls your USB instruments through the kernel’s USB core services layer.

This driver is provided as is, without any kind of warranty or support.